Low-tree layer · Nitrogen-fixing small tree / large shrub
Tagasaste
Chamaecytisus palmensis
A hardy nitrogen-fixing small tree used for shelter, fodder and nurse functions. Useful on exposed edges while longer-term canopy establishes.
Also known as: Tagasaste, Tree lucerne
Layer
Low-tree layer
Climate
Warm temperate, Temperate, Cool temperate
Sun
Full sun.
Water
Drought tolerant once established; water while young.
Soil
Well-drained; tolerates poorer soils.
Size
3–5 m H · 2–4 m W
Growth
Fast
Frost
Moderately frost hardy once established.
Edible uses
Not primarily grown for direct human food on this site’s guidance.
Harvest window
N/A for human food; cut for mulch / fodder as needed
Ecological functions
Nitrogen fixation · Windbreak · Nurse tree · Bee forage · Biomass
Wildlife value
Dense bird cover · Bee forage
Human uses
Shelter · Chop-and-drop · Fodder (farm context) · Nurse planting
Propagation
Seed (scarify / hot-water treatment often helps).
Maintenance
Prune to manage size and encourage bushiness; replace as longer-lived canopy takes over if desired.
NZ growing notes
Common in NZ farm and permaculture plantings for quick shelter. Not a primary human food plant — value is ecological support.
In the food forest
Tagasaste is a nurse and shelter low-tree, not a fruit crop. Use it on windward edges while avocado, citrus or deciduous fruit establish, then thin or remove as permanent canopy fills.
Establishment
Sow or plant into free-draining ground in spring. Water the first summer. Tip-prune for bushiness. Plan its exit so it does not permanently shade fruiting wood.
NZ honesty
Hardy and useful across much of temperate NZ. Its job is nitrogen, biomass and wind reduction — do not market it as kai for people.
Suitable NZ regions
Related guilds
References
- NZ farm forestry / shelter practice — Established use as fodder and shelter shrub.